2271755 has 4 divisors (see below), whose sum is σ = 2726112. Its totient is φ = 1817400.

The previous prime is 2271751. The next prime is 2271767. The reversal of 2271755 is 5571722.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2271755 - 2² = 2271751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2271751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227171 + ... + 227180.

It is an arithmetic number, because the mean of its divisors is an integer number (681528).

2^2271755 is an apocalyptic number.

2271755 is a deficient number, since it is larger than the sum of its proper divisors (454357).

2271755 is an equidigital number, since it uses as much as digits as its factorization.

2271755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454356.

The product of its digits is 4900, while the sum is 29.

The square root of 2271755 is about 1507.2342220106. The cubic root of 2271755 is about 131.4580434514.

The spelling of 2271755 in words is "two million, two hundred seventy-one thousand, seven hundred fifty-five".